Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.650112E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T17:04:17+0800
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    1 Object 1

    AOE ID 26365
    NORAD ID 26365
    Object Type PAYLOAD
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 59653
    NORAD ID 59653
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SIMSAT 1 STARLINK-31764
    Time of Closest Approach 2026-09-06T04:00:25+0000
    Collision Probability (Pc) 4.650112E-6
    Conjunction Distance (km) 1.599 km
    Relative Speed (km/s) 11.663 km/s
    Conjunction Risk Parameters R (Radial): 0.577 | I (In-track): -0.966 | C (Cross-track): 1.136
    Collision Risk Index (CRI) 0.48
    X Position (km) -117.103 -115.884
    Position Y (km) -5180.563 -5180.715
    Position Z (km) 4489.176 4488.152
    Velocity X (km/s) 0.531 7.408
    Velocity Y (km/s) -5.002 1.093
    Velocity Z (km/s) -5.731 1.451

    Orbital Parameters 国际轨道数据源

    Parameter SIMSAT 1 STARLINK-31764
    Semimajor Axis (a) 6858.781 km 6861.164 km
    Eccentricity (e) 0.001013 0.000132
    Inclination (i) 86.3388° 43.0009°
    RAAN 92.9294° 215.9683°
    Perigee Argument 54.2285° 273.1033°
    Mean Anomaly (M) 305.9903° 86.9668°
    Apogee 487.593 km 483.932 km
    Perigee 473.695 km 482.122 km
    Orbit Epoch 2026-09-04T01:07:07+0000 2026-09-03T09:46:35+0000

    SIMSAT 1 & STARLINK-31764 Collision Probability (Pc) Trend

    SIMSAT 1 & STARLINK-31764 Collision Probability (Pc) TrendNot Available

    SIMSAT 1 & STARLINK-31764 Miss Distance (Miss Distance) Trend

    SIMSAT 1 & STARLINK-31764 Miss Distance (Miss Distance) TrendNot Available

    SIMSAT 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31764Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SIMSAT 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31764Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SIMSAT 1

    No nearby objects data